What is the reason for sudden acid vomiting in the middle of the night?

1, improper diet

dinner, late night intake of more greasy food, spicy food, etc., may cause dyspepsia, easy to cause nausea, acid vomiting.

2, gastroesophageal reflux in the

presence of gastroesophageal reflux, due to lower esophageal sphincter dysfunction, leading to anti-reflux dysfunction, easy to cause acid reflux, heartburn, pain behind the sternum.

3, gastric ulcer

itself with gastric ulcer, at night due to acid stimulation ulcer site, easy to cause acid reflux, vomiting, heartburn and other symptoms.